"""
open/dulcinea/lib/ui/user/motd.qpy
"""
from dulcinea.misc import get_misc_db
from dulcinea.util import format_text, SAFE_TAGS
from qp.fill.directory import Directory
from qp.fill.form import Form
from qp.pub.common import redirect, get_user, page


def format_motd:xml(motd):
    '<div class="motd">%s</div>' % format_text(motd)

class MotdUI (Directory):

    def get_exports(self):
        if get_user() and get_misc_db():
            yield ('', '_q_index', 'Signin Message', 'Message-of-the-day')
            if get_user().is_admin():
                yield ('edit', 'edit', 'Edit', 'Edit message-of-the-day')

    def _q_index:xml(self):
        return page('Signin Message',
                    format_motd(get_misc_db().get_motd()))

    def edit(self):
        form = Form()
        form.add_text('motd', value=get_misc_db().get_motd(),
                      rows=30, cols=90,
                      hint=("The message-of-the-day may include the following "
                            "HTML tags: %s. " % ', '.join(SAFE_TAGS)))
        form.add_submit('update', 'Update')
        form.add_submit('preview', 'Preview')
        form.add_submit('cancel', 'Cancel')
        if form.get('cancel'):
            redirect('.')
        if not form.is_submitted() or form.has_errors():
            return page('Edit: Message of the Day', form.render())
        if form.get('preview'):
            return page('Preview: Message of the Day',
                        format_motd(form['motd']),
                        form.render())
        if form.get('update'):
            get_misc_db().set_motd(form['motd'])
        redirect('.')